How many coyotes do you think there are inside Austin's city limits? I admit I don't know how many of the Austin ducks are recently dumped, but as a kid in NJ we would see the same ones with very distinctive markings year after year. Cars were their main "predators" there from crossing the roads.OJust because they are successfully reproducing doesn’t meant they are “living in the wild for years.” Seeing domestic ducks year after year has nothing to do with how happy and safe they are in an environment. It just means that people keep dumping them and you’re seeing the ones that are recently dumped or lucky enough to have not been picked off by predators yet. If they survive long enough to breed, which could literally be a single day for males, then of course you’ll see mixed-breed babies. Again, that is not good or indicative of happiness. Domestic breeds interbreeding with wild ones is horrible for the ecosystem. Why are you arguing so hard in favor of something that is so clearly not natural and not in the animals’ best interests? I swear, the amount of dangerous misinformation being given in this post is staggering.
Again, perhaps they cannot live well in your environment, and I doubt they would live well in my current one also. That's not the case everywhere.
Migratory birds aren't going to stop their migrations just because they knocked up a pekin lol. I agree that if duck abandonment/ domestics in the wild became a larger issue then it would eventually have negative effects on the ecosystem, but the current levels are zero. The main misinformation in this thread is people making a non-issue into one, I'm just saying leave the birds alone, they're not doing any harm there.
If we're talking the natural way, then no domestic breeds would even exist in the first place, but hey here we are.